It said the two sides held "a comprehensive discussion. on the inter-Korean relations and various issues on the Korean peninsula in an amicable atmosphere", but did not say whether the North's weapons program was mentioned.
Pence said Friday that the US would oppose talks between the two Koreas until the North agreed to open negotiations on ending its nuclear program.
Speaking to reporters during a flight on Saturday, Mr Pence said: "There is no daylight between the United States, the Republic of Korea and Japan on the need to continue to isolate North Korea economically and diplomatically until they abandon their nuclear and ballistic missile programme".
"It didn't affect the opening ceremony", Park said. President Moon is very sandwiched between the North Korean leader and the American president.
Mr. Moon gave qualified consent to holding a future summit with Mr. Kim, the first between the two Koreas since 2007.
That's the precondition for the U.S. talking with North Korea, and all the signals so far we've seen from Washington are very stubborn. And given her high status in North Korea, she would also be an ideal person if the Unites States would like to reach out to North Korea.
The invitation came during talks and a lunch Moon hosted with Kim Yo Jong, the younger sister of the North Korean leader, at the presidential Blue House in Seoul.
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The North Koreans might want South Korea and the United States to make concessions if they accede to this basic framework, such as delaying the U.S. Of course, if North Korea moves forward with new provocations - such as missile or nuclear tests - all bets are off.
"For us and for most people, the most significant (event on Saturday) was the joint Korea team", said Mark Adams, the International Olympic Committee's director of communications on Sunday.
Choe is subject to a travel ban and assets freeze under a U.N. Security Council resolution adopted June 2, but a U.N. committee on North Korea sanctions on Thursday granted him a temporary exemption to attend the Winter Olympics.
Vice President Mike Pence is facing backlash for his staunch efforts to ignore North Korean officials at the Winter Olympic Games, even as the two Koreas continued their temporary truce, marching and competing as one team.
US President Donald Trump has been engaged in a long-running war of words with Kim Jong Un, sparking fears the rhetorical battle could spill over into a live conflict.
An analysis of photos of the meeting showed that the emblem was the official state symbol of North Korea.
The ongoing rapprochement mood flared after Kim Jong Un said in his New Year's Day address that he was willing to send an Olympic delegation. It replaced the National Defense Commission, the most powerful office under his late father Kim Jong-il.
As the Week noted, the International Olympics Committee has formally banned Russian Federation from participation in the games but allowed 169 athletes to compete under a neutral flag.